發(fā)布時(shí)間：2018-03-08 13:39

  本文選題：城市街谷形態(tài)　切入點(diǎn)：熱環(huán)境　出處：《大連理工大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：街谷熱環(huán)境影響著城市街谷空間環(huán)境的微氣候,本文通過(guò)對(duì)街谷熱環(huán)境和城市形態(tài)相關(guān)研究綜述,確立了研究對(duì)象城市形態(tài)因子(包括高寬比、建筑密度、容積率和天空開(kāi)闊度)和熱環(huán)境評(píng)價(jià)指標(biāo)(WBGT和風(fēng)速),找到了兩者之間的線性關(guān)系,并以此為前提,對(duì)實(shí)測(cè)區(qū)域優(yōu)化前后的模型進(jìn)行計(jì)算機(jī)數(shù)值模擬分析。同時(shí)通過(guò)討論和分析模擬結(jié)果對(duì)大連熱環(huán)境良好的組團(tuán)形態(tài)模型進(jìn)行了總結(jié),以此得出論文研究的結(jié)論。 第一章：在我國(guó)高密度的城市建設(shè)帶來(lái)的環(huán)境污染、熱島效應(yīng)等環(huán)境問(wèn)題的背景下,對(duì)國(guó)內(nèi)外相關(guān)領(lǐng)域的研究進(jìn)行整理和文獻(xiàn)綜述,同時(shí)就本篇論文的研究意義和研究重點(diǎn)進(jìn)行了總結(jié)。 第二章：通過(guò)對(duì)城市街谷形態(tài)與熱環(huán)境的關(guān)系分析,發(fā)現(xiàn)其中的潛在規(guī)律,找出影響街谷熱環(huán)境的街谷形態(tài)因子,為對(duì)下一步大連典型街谷實(shí)測(cè)研究提供了清晰的理論基礎(chǔ)和指導(dǎo)思路。 第三章：以大連中山區(qū)高密度區(qū)域?yàn)閷?shí)地測(cè)試范圍,篩選了其中典型的4條街谷為實(shí)測(cè)街谷,分別對(duì)4條街谷分布的測(cè)試點(diǎn)進(jìn)行WBGT、風(fēng)速、太陽(yáng)輻射、表面溫度、相對(duì)濕度和干球溫度等熱環(huán)境參數(shù)進(jìn)行了為期5天的現(xiàn)場(chǎng)實(shí)測(cè)。實(shí)測(cè)日選擇在大連夏季典型的晴朗少云天氣進(jìn)行。 第四章：對(duì)所測(cè)得的數(shù)據(jù)進(jìn)行有效性的篩選,通過(guò)SPSS等軟件對(duì)所篩選的數(shù)據(jù)進(jìn)行整理分析,分析結(jié)果發(fā)現(xiàn)大連典型高密度城區(qū)的城市街谷形態(tài)對(duì)街谷熱環(huán)境存在著一定的影響,其城市形態(tài)控制因子容積率、建筑密度、高寬比、天空開(kāi)闊度等對(duì)街谷熱環(huán)境均存在著不同程度的影響,并分別找到其影響規(guī)律和線性回歸方程。 第五章：在第四章的基礎(chǔ)上,對(duì)實(shí)測(cè)區(qū)域街谷形態(tài)進(jìn)行優(yōu)化,并分別對(duì)優(yōu)化前和優(yōu)化后的測(cè)試區(qū)域通過(guò)CFD軟件PHOENICS進(jìn)行熱環(huán)境的計(jì)算機(jī)數(shù)值模擬分析,對(duì)比優(yōu)化前后的模擬結(jié)果,發(fā)現(xiàn)了通過(guò)調(diào)整城市形態(tài)能有效改善城市街谷熱環(huán)境的規(guī)律。同時(shí),在發(fā)現(xiàn)規(guī)律的基礎(chǔ)上對(duì)大連市高密度城區(qū)基于熱環(huán)境良好的城市形態(tài)模式進(jìn)行了總結(jié)。 第六章：通過(guò)回顧整個(gè)研究的脈絡(luò),從城市街谷熱環(huán)境的角度出發(fā),總結(jié)了合理城市形態(tài)優(yōu)化策略,以期對(duì)大連高密度城區(qū)的城市規(guī)劃和建筑設(shè)計(jì)提供一定的參考。此外,還從建設(shè)和維護(hù)我們的城市空間生存環(huán)境的角度出發(fā),從包括政府、房地產(chǎn)開(kāi)發(fā)商、設(shè)計(jì)人員等其他因素探討了改善城市街谷空間環(huán)境的意見(jiàn)和建議,從而來(lái)建設(shè)我們共同的城市空間環(huán)境。
[Abstract]:The thermal environment of the street valley affects the microclimate of the spatial environment of the city street valley. Based on the summary of the research on the heat environment and the urban morphology of the opposite street valley, the paper establishes the research object of the urban form factors (including aspect ratio, building density, and so on). And the thermal environment evaluation index, WBGT and wind speed, the linear relationship between them has been found, and this is the premise. The model before and after the optimization of the measured area is analyzed by computer numerical simulation, and the cluster shape model of Dalian thermal environment is summarized through the discussion and analysis of the simulation results, and the conclusion of the paper is drawn. Chapter one: under the background of environmental problems such as environmental pollution, heat island effect and so on brought by high-density urban construction in China, the research and literature review of related fields at home and abroad are carried out. At the same time, the research significance and focus of this paper are summarized. Chapter two: through the analysis of the relationship between the shape of urban street valley and the thermal environment, we find out the latent law, and find out the factor of the street valley form that affects the thermal environment of the street valley. It provides a clear theoretical basis and guiding ideas for the next research on the typical street valley in Dalian. Chapter three: taking the high-density area of Zhongshan District of Dalian as the field test range, the typical four street valleys are selected as the measured street valleys, and the WBGTs, wind speed, solar radiation, surface temperature are carried out on the test points of the distribution of the four street valleys, respectively. The thermal environment parameters such as relative humidity and dry ball temperature were measured for 5 days. Chapter 4th: the validity of the measured data screening, SPSS and other software to collate and analyze the selected data, The results show that the shape of urban street valley in typical high-density urban area of Dalian has a certain influence on the thermal environment of street valley, and its urban shape control factor volume ratio, building density, height to width ratio, The influence of sky open degree on the thermal environment of street valley is different, and the law of influence and the linear regression equation are found respectively. Chapter 5th: on the basis of Chapter 4th, the shape of the measured district valley is optimized, and the thermal environment of the test area before and after the optimization is simulated and analyzed by CFD software PHOENICS, respectively. By comparing the simulation results before and after optimization, it is found that the heat environment of urban street canyons can be effectively improved by adjusting the urban morphology. At the same time, On the basis of discovering rules, this paper summarizes the urban morphology model of high density urban area in Dalian based on good thermal environment. Chapter 6th: through reviewing the whole research context, from the view of urban street valley thermal environment, summarizes the rational urban shape optimization strategy, in order to provide a certain reference for the urban planning and architectural design of Dalian high-density urban area. From the point of view of building and maintaining our living environment of urban space, and from other factors, including the government, real estate developers, designers and so on, this paper discusses the suggestions and suggestions for improving the spatial environment of urban streets and valleys. So as to build our common urban space environment.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TU984;TU119

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